From owner-freebsd-questions@FreeBSD.ORG Thu Oct 23 04:30:00 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 832721065671 for ; Thu, 23 Oct 2008 04:30:00 +0000 (UTC) (envelope-from k0802647@telus.net) Received: from defout.telus.net (defout.telus.net [204.209.205.13]) by mx1.freebsd.org (Postfix) with ESMTP id 3060B8FC17 for ; Thu, 23 Oct 2008 04:29:59 +0000 (UTC) (envelope-from k0802647@telus.net) Received: from priv-edmwaa05.telusplanet.net ([204.209.205.55]) by priv-edmwes23.telusplanet.net (InterMail vM.7.08.02.00 201-2186-121-20061213) with ESMTP id <20081023042959.KDEA18931.priv-edmwes23.telusplanet.net@priv-edmwaa05.telusplanet.net>; Wed, 22 Oct 2008 22:29:59 -0600 Received: from oliver.bc.lan (d75-157-26-132.bchsia.telus.net [75.157.26.132]) by priv-edmwaa05.telusplanet.net (BorderWare Security Platform) with ESMTP id 7C7D17163C35F869; Wed, 22 Oct 2008 22:29:58 -0600 (MDT) Received: from [10.111.111.112] (unknown [10.111.111.112]) by oliver.bc.lan (Postfix) with ESMTP id 6F1FB645D; Wed, 22 Oct 2008 21:29:58 -0700 (PDT) Message-ID: <48FFFDC6.9090206@telus.net> Date: Wed, 22 Oct 2008 21:29:58 -0700 From: Carl User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: Wojciech Puchar References: <48FE709D.9080907@telus.net> <20081022153034.L2152@wojtek.tensor.gdynia.pl> In-Reply-To: <20081022153034.L2152@wojtek.tensor.gdynia.pl> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: Setting up gmirror X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Oct 2008 04:30:00 -0000 Wojciech Puchar wrote: > >>>> disk will be overwritten). Add another disk to this mirror, so >>>> it will >>>> be synchronized with existing disk: >>>> >>>> gmirror label -v -b round-robin data da0 >>> >>> add -s like -s 1048576 to prevent splitting one >>> request on 2 disks. >> >> I thought the -s option was only applicable when using "-b split" for >> the balancing algorithm. Does "round-robin" not mean simply >> alternating between the two disks without ever splitting requests? > > no. it means for example with -s 65536 and 1MB request - it will split > this request on 2 disks > So there is no difference between "split" and "round-robin" algorithms then? Carl / K0802647